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This question belongs to Biology GK Chapter Wise Cell Biology

Cell Biology

?

Consider the following statements regarding the ultrastructure of the nucleolus and choose the correct answer:
1. The matrix or pars amorpha of the nucleolus is heterogeneous
2. The chromatin is Feulgen positive
3. The fibrils, 80 - 100 A in diameter, contain RNA and are probably the precursors of the granules
4. Ribonucleoprotein granules make up the pars granulosa

A) Only 1, 2 and 3 are true B) Only 2, 3 and 4 are true C) Only 3 and 4 are true D) 1, 2, 3 and 4 are true

Answer & Solution

Correct Answer: Option B

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